//ww:run-exit 11
package main;
type u = (int | bool | str);
fn f() u = { let x: u = true; return x: u; };
export fn main() i32 = {
	match (f()) {
	case let n: int => return 70;
	case let b: bool => return 11;
	case let s: str => return 22;
	};
	return 99;
};